NCG140035 COC

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF ENERGY, MINERAL, AND LAND RESOURCES

GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE No. NCG140035

STORMWATER AND PROCESS WASTEWATER DISCHARGES

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM

In compliance with the provision of North Carolina General Statute 143-215.1, other lawful
standards and regulations promulgated and adopted by the North Carolina Environmental
Management Commission, and the Federal Water Pollution Control Act, as amended,

Concrete Service Company, Inc.

is hereby authorized to operate a process wastewater treatment system, and is hereby authorized
to discharge process wastewater and stormwater from a facility located at:

Concrete Service - Sanford
320 Market Street
Sanford
Lee County

to receiving waters designated as Little Buffalo Creek, in the Cape Fear River Basin; in
accordance with the effluent limitations, monitoring requirements, and other conditions set forth
in Parts I, II, III, and IV of General Permit No. NCG140000 as attached.

This certificate of coverage shall become effective February 22, 2018.

This Certificate of Coverage shall remain in effect for the duration of the General Permit.

Signed this day February 22, 2018.

Original Signed by Richard L. Riddle,Jr.

for William E. Vinson, Jr., P.E., Interim Director
Division of Energy, Mineral, and Land Resources
By the Authority of the Environmental Management Commission